#Calbmiv1.py
height,weight=eval(input("请输入身高(米)和体重\(公斤)[逗号隔开]:"))
bmi=weight/pow(height,2)
print("BMI 数值为:{:.2f}".format(bmi))
who=""
if bmi<18.5:
    who="偏瘦"
elif 18.5<=bmi<25:
    who="正常"
elif 25<=bmi<30:
    who="偏胖"
else:
    who="肥胖"
print("BMI指标为:国际'{0}'".format(who))

#Calbmiv2.py
height,weight=eval(input("请输入身高(米)和体重\(公斤)[逗号隔开]:"))
bmi=weight/pow(height,2)
print("BMI 数值为:{:.2f}".format(bmi))
who=""
if bmi<18.5:
    nat="偏瘦"
elif 18.5<=bmi<25:
    nat="正常"
elif 25<=bmi<30:
    nat="偏胖"
else:
    nat="肥胖"
print("BMI指标为:国际'{0}'".format(who))

#Calbmiv3.py
height,weight=eval(input("请输入身高(米)和体重\(公斤)[逗号隔开]:"))
bmi=weight/pow(height,2)
print("BMI 数值为:{:.2f}".format(bmi))
who,nat="",""
if bmi<18.5:
    who,nat="偏瘦","偏瘦"
elif 18.5<=bmi<24:
    who,nat="正常","正常"
elif 24<=bmi<25:
    who,nat="正常","偏胖"
elif 25<=bmi<28:
    who,nat="偏胖","偏胖"
elif 28<=bmi<30:
    who,nat="偏胖","肥胖"
else:
    who,nat="肥胖","肥胖"
print("BMI指标为:国际'{0}',国内'{1}".format(who,nat))